#291D81#291D81

#291D81 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.5% C 0.158 H 278.4°. Best body text is #FFFFFF at 13.23:1 contrast (WCAG AA passes).

Color values

HEX	#291D81
RGB	rgb(41, 29, 129)
HSL	hsl(247, 63%, 31%)
HSV	hsv(247, 78%, 51%)
CMYK	cmyk(68.2%, 77.5%, 0%, 49.4%)
CIE-LAB	lab(19.78, 36.98, -53.96)
CIE-LCH	lch(19.78, 65.41, 304.42°)
OKLab	oklab(32.46% 0.023 -0.1558)
OKLCH	oklch(32.46% 0.158 278.4)
XYZ	xyz(5.3150, 2.9347, 21.0510)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#291D81 #75811D

analogous

#1D4381 #291D81 #5B1D81

triadic

#291D81 #81291D #1D8129

tetradic

#291D81 #811D43 #75811D #1D815B

square

#291D81 #811D43 #75811D #1D815B

split-complementary

#291D81 #815B1D #43811D

monochromatic

#09071D #19124F #291D81 #3928B3 #5544D5

Accessibility & contrast

On white

13.23

#291D81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#291D81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #291D81

13.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##291D81	#FFFFFF	#000000	##FFFFFF
##291D81	1.00	13.23	1.59	13.23
#FFFFFF	13.23	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003484

Deuteranopia (green-blind)

#002C7F

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #291d81;
/* rgb */ color: rgb(41, 29, 129);
/* oklch */ color: oklch(32.5% 0.158 278.4);

Tailwind

colors: {
  custom: {
    50: '#705ba7',
    500: '#291d81',
    950: '#000000',
  },
}

SCSS

$custom: #291d81;
$custom-light: #705ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#291d81",
  "rgb": {
    "r": 41,
    "g": 29,
    "b": 129
  },
  "hsl": {
    "h": 247.2,
    "s": 63.291,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32461,
    "c": 0.15752,
    "h": 278.4
  },
  "luminance": 0.02935
}

Semantic roles & 50–950 ramp

primary

#291D81

secondary

#A7B446

accent

#E641D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#090410

muted

#7B797F

Preview Lab

Preview with #291D81

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →